1042042520 has 32 divisors (see below), whose sum is σ = 2356888320. Its totient is φ = 414631680.

The previous prime is 1042042501. The next prime is 1042042541. The reversal of 1042042520 is 252402401.

It is a happy number.

1042042520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1042042520² = 2171705226975900800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1042042492 and 1042042501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60557 + ... + 75836.

It is an arithmetic number, because the mean of its divisors is an integer number (73652760).

Almost surely, 2^1042042520 is an apocalyptic number.

1042042520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042042520 is an abundant number, since it is smaller than the sum of its proper divisors (1314845800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042042520 is a wasteful number, since it uses less digits than its factorization.

1042042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136595 (or 136591 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1042042520 is about 32280.6833880573. The cubic root of 1042042520 is about 1013.8222387824.

Adding to 1042042520 its reverse (252402401), we get a palindrome (1294444921).

The spelling of 1042042520 in words is "one billion, forty-two million, forty-two thousand, five hundred twenty".